Supreme Court to Review
Microsoft-AT&T Patent Case

WASHINGTON -- The U.S. Supreme Court on Friday said it will use a dispute between Microsoft Corp. and AT&T Inc. to clarify when patent infringement damages can apply to overseas product sales.

The two companies have been at odds over Microsoft digital speech compression code in its Windows operating software that AT&T claims violates patents it owns. Following federal court rulings that went against Microsoft, the companies...